Water from the Colorado River and its tributaries is used for municipal and industrial purposes by about 27 million people and irrigates nearly 4 million acres of land in the Western United States. Water users in the Upper Colorado River Basin consume water from the Colorado River and its tributaries, reducing the amount of water in the river. In addition, application of water to agricultural land within the basin in excess of crop needs can increase the transport of dissolved solids to the river. As a result, dissolved-solids concentrations in the Colorado River have increased, affecting downstream water users. During 2004-05, the U.S. Geological Survey, in cooperation with the Natural Resources Conservation Service, investigated the occurrence and distribution of dissolved solids in water from the agricultural areas near Green River, Utah, and in the adjacent reach of the Green River, a principle tributary of the Colorado River.
The flow-weighted concentration of dissolved solids diverted from the Green River for irrigation during 2004 and 2005 was 357 milligrams per liter and the mean concentration of water collected from seeps and drains where water was returning to the river during low-flow conditions was 4,170 milligrams per liter. The dissolved-solids concentration in water from the shallow part of the ground-water system ranged from 687 to 55,900 milligrams per liter.
Measurable amounts of dissolved solids discharging to the Green River are present almost exclusively along the river banks or near the mouths of dry washes that bisect the agricultural areas. The median dissolved-solids load in discharge from the 17 drains and seeps visited during the study was 0.35 ton per day. Seasonal estimates of the dissolved-solids load discharging from the study area ranged from 2,800 tons in the winter to 6,400 tons in the spring. The estimate of dissolved solids discharging from the study area annually is 15,700 tons.
Water samples collected from selected sites within the Green River agricultural areas were analyzed for naturally occurring isotopes of strontium and boron, which can be useful for differentiating dissolved-solids sources. Substantial variations in the delta strontium-87 and delta boron-11 values among the sites were measured. Canal and river samples had relatively low concentrations of strontium and the most positive (heavier) isotopic ratios, while drains and seeps had a wide range of strontium concentrations and isotopic ratios that generally were less positive (lighter). Further study of the variation in strontium and boron concentrations and isotope ratios may provide a means to distinguish end members and discern processes affecting dissolved solids within the Green River study area; however, the results from isotope data collected during this study are inconclusive.
Flow and seepage losses were estimated for the three main canals in the study area for May 2 to October 4 in any given year. This period coincides with the frost-free period in the Green River area. Estimated diversion from the Green River into the Thayn, East Side, and Green River Canals is 6,600, 6,070, and 19,900 acre-feet, respectively. The estimated seepage loss to ground water from the Thayn, East Side, and Green River Canals during the same period is 1,550, 1,460, and 4,710 acre-feet, respectively.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sir20065186","collaboration":"Prepared in cooperation with the Natural Resources Conservation Service","usgsCitation":"Gerner, S., Spangler, L., Kimball, B.A., Wilberg, D., and Naftz, D.L., 2006, Hydrology and water quality in the Green River and surrounding agricultural areas near Green River in Emery and Grand Counties, Utah, 2004-05: U.S. Geological Survey Scientific Investigations Report 2006-5186, vi, 42 p., https://doi.org/10.3133/sir20065186.","productDescription":"vi, 42 p.","numberOfPages":"51","onlineOnly":"Y","temporalStart":"2004-01-01","temporalEnd":"2005-12-31","costCenters":[{"id":610,"text":"Utah Water Science Center","active":true,"usgs":true}],"links":[{"id":192479,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":8571,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2006/5186/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Utah","county":"Emery County, Grand County","otherGeospatial":"Green River","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -110.18333333333334,38.96666666666667 ], [ -110.18333333333334,39.1 ], [ -110.11666666666666,39.1 ], [ -110.11666666666666,38.96666666666667 ], [ -110.18333333333334,38.96666666666667 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae1e4b07f02db6887e5","contributors":{"authors":[{"text":"Gerner, S.J.","contributorId":16083,"corporation":false,"usgs":true,"family":"Gerner","given":"S.J.","email":"","affiliations":[],"preferred":false,"id":289169,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Spangler, L.E.","contributorId":54230,"corporation":false,"usgs":true,"family":"Spangler","given":"L.E.","email":"","affiliations":[],"preferred":false,"id":289171,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kimball, B. A.","contributorId":87583,"corporation":false,"usgs":false,"family":"Kimball","given":"B.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":289173,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Wilberg, Dale E.","contributorId":60215,"corporation":false,"usgs":true,"family":"Wilberg","given":"Dale E.","affiliations":[],"preferred":false,"id":289172,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Naftz, D. L.","contributorId":40624,"corporation":false,"usgs":true,"family":"Naftz","given":"D.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":289170,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70184329,"text":"70184329 - 2006 - Investigating the role of gas bubble formation and entrapment in contaminated aquifers: Reactive transport modelling","interactions":[],"lastModifiedDate":"2017-03-07T14:13:33","indexId":"70184329","displayToPublicDate":"2006-09-10T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2233,"text":"Journal of Contaminant Hydrology","active":true,"publicationSubtype":{"id":10}},"title":"Investigating the role of gas bubble formation and entrapment in contaminated aquifers: Reactive transport modelling","docAbstract":"In many natural and contaminated aquifers, geochemical processes result in the production or consumption of dissolved gases. In cases where methanogenesis or denitrification occurs, the production of gases may result in the formation and growth of gas bubbles below the water table. Near the water table, entrapment of atmospheric gases during water table rise may provide a significant source of O2 to waters otherwise depleted in O2. Furthermore, the presence of bubbles will affect the hydraulic conductivity of an aquifer, resulting in changes to the groundwater flow regime. The interactions between physical transport, biogeochemical processes, and gas bubble formation, entrapment and release is complex and requires suitable analysis tools. The objective of the present work is the development of a numerical model capable of quantitatively assessing these processes. The multicomponent reactive transport code MIN3P has been enhanced to simulate bubble growth and contraction due to in-situ gas production or consumption, bubble entrapment due to water table rise and subsequent re-equilibration of the bubble with ambient groundwater, and permeability changes due to trapped gas phase saturation. The resulting formulation allows for the investigation of complex geochemical systems where microbially mediated redox reactions both produce and consume gases as well as affect solution chemistry, alkalinity, and pH. The enhanced model has been used to simulate processes in a petroleum hydrocarbon contaminated aquifer where methanogenesis is an important redox process. The simulations are constrained by data from a crude oil spill site near Bemidji, MN. Our results suggest that permeability reduction in the methanogenic zone due to in-situ formation of gas bubbles, and dissolution of entrapped atmospheric bubbles near the water table, both work to attenuate the dissolved gas plume emanating from the source zone. Furthermore, the simulations demonstrate that under the given conditions more than 50% of all produced CH4 partitions to the gas phase or is aerobically oxidised near the water table, suggesting that these processes should be accounted for when assessing the rate and extent of methanogenic degradation of hydrocarbons.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.jconhyd.2006.04.008","usgsCitation":"Amos, R.T., and Mayer, K.U., 2006, Investigating the role of gas bubble formation and entrapment in contaminated aquifers: Reactive transport modelling: Journal of Contaminant Hydrology, v. 87, no. 1-2, p. 123-154, https://doi.org/10.1016/j.jconhyd.2006.04.008.","productDescription":"32 p.","startPage":"123","endPage":"154","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":336956,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"87","issue":"1-2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58bfd4fbe4b014cc3a3ba50f","contributors":{"authors":[{"text":"Amos, Richard T.","contributorId":69081,"corporation":false,"usgs":true,"family":"Amos","given":"Richard","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":681019,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Mayer, K. Ulrich","contributorId":151069,"corporation":false,"usgs":false,"family":"Mayer","given":"K.","email":"","middleInitial":"Ulrich","affiliations":[{"id":18176,"text":"Department of Earth and Ocean Science, University of British Columbia, Vancouver, British Columbia, Canada","active":true,"usgs":false}],"preferred":false,"id":681020,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70258652,"text":"70258652 - 2006 - Stability of Landsat-4 thematic mapper outgassing models","interactions":[],"lastModifiedDate":"2024-09-19T16:45:13.759759","indexId":"70258652","displayToPublicDate":"2006-09-08T11:41:12","publicationYear":"2006","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Stability of Landsat-4 thematic mapper outgassing models","docAbstract":"Oscillations in radiometric gains of the short wave infrared (SWIR) bands in Landsat-4 (L4) and Landsat-5 (L5) Thematic Mappers (TMs) are observed through an analysis of detector responses to the Internal Calibrator (IC) pulses. The oscillations are believed to be caused by an interference effect due to a contaminant film buildup on the window of the cryogenically cooled dewar that houses these detectors. This process of contamination, referred to as outgassing effects, has been well characterized using an optical thin-film model that relates detector responses to the accumulated film thickness and its growth rate. The current models for L4 TM are based on average detector responses to the second brightest IC lamp and have been derived from three data sets acquired during different times throughout the instrument's lifetime. Unlike in L5 TM outgassing characterization, it was found that the L4 TM responses to all three IC lamps can be used to provide accurate characterization and correction for outgassing effects. The analysis of single detector responses revealed an up to five percent difference in the estimated oscillating periods and also indicated a gradual variation of contaminant growth rate over the focal plane.
","conferenceTitle":"SPIE Optics + Photonics, 2006: Earth Observing Systems XI","conferenceDate":"August 13-17, 2006","conferenceLocation":"San Diego, CA","language":"English","publisher":"SPIE","doi":"10.1117/12.683264","usgsCitation":"Micijevic, E., and Chander, G., 2006, Stability of Landsat-4 thematic mapper outgassing models, SPIE Optics + Photonics, 2006: Earth Observing Systems XI, v. 6296, San Diego, CA, August 13-17, 2006, 62960E, 11 p., https://doi.org/10.1117/12.683264.","productDescription":"62960E, 11 p.","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":439158,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"6296","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Micijevic, Esad 0000-0002-3828-9239 emicijevic@usgs.gov","orcid":"https://orcid.org/0000-0002-3828-9239","contributorId":3075,"corporation":false,"usgs":true,"family":"Micijevic","given":"Esad","email":"emicijevic@usgs.gov","affiliations":[{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true}],"preferred":true,"id":913559,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Chander, Gyanesh gchander@usgs.gov","contributorId":3013,"corporation":false,"usgs":true,"family":"Chander","given":"Gyanesh","email":"gchander@usgs.gov","affiliations":[],"preferred":true,"id":913560,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":79116,"text":"sir20065183 - 2006 - Assessment of the use of selected chemical and microbiological constituents as indicators of wastewater in curtain drains from home sewage-treatment systems in Medina County, Ohio","interactions":[],"lastModifiedDate":"2012-03-08T17:16:23","indexId":"sir20065183","displayToPublicDate":"2006-09-08T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2006-5183","title":"Assessment of the use of selected chemical and microbiological constituents as indicators of wastewater in curtain drains from home sewage-treatment systems in Medina County, Ohio","docAbstract":"Many home sewage-treatment systems (HSTS) in Ohio use curtain or perimeter drains to depress the level of the subsurface water in and around the systems. These drains could possibly intercept partially untreated wastewater and release potential pathogens to ground-water and surface-water bodies. The quality of water in curtain drains from two different HSTS designs in Medina County, Ohio, was investigated using several methods. Six evaporation-transpiration-absorption (ETA) and five leach-line (LL) systems were investigated by determining nutrient concentrations, chloride/bromide ratios (Cl/Br), Escherichia coli (E. coli ) concentrations, coliphage genotyping, and genetic fingerprinting of E. coli. Water samples were collected at 11 sites and included samples from curtain drains, septic tanks, and residential water wells.\r\n\r\nNitrate concentrations in the curtain drains ranged from 0.03 to 3.53 mg/L (milligrams per liter), as N. Concentrations of chloride in 10 of the 11 curtain drains ranged from 5.5 to 21 mg/L; the chloride concentration in the eleventh curtain drain was 340 mg/L. Bromide concentrations in 11 curtain drains ranged from 0.01 to 0.22 mg/L. Cl/Br ratios ranged from 86 to 2,000. F-specific coliphage were not found in any curtain-drain samples. Concentrations of E. coli in the curtain drains ranged from 1 to 760 colonies per 100 milliliters.\r\n\r\nThe curtain-drain water-quality data were evaluated to determine whether HSTS-derived water was present in the curtain drains. Nutrient concentrations were too low to be of use in the determination. The Cl/Br ratios appear promising. Coliphage was not detected in the curtain drains, so genotyping could not be attempted. E. coli concentrations in the curtain drains were all less than those from the corresponding HSTS; only one sample exceeded the Ohio secondary-contact water-quality standard. The genetic fingerprinting data were inconclusive because multiple links between unrelated sites were found.\r\n\r\nAlthough the curtain-drain samples from the ETA systems showed somewhat more evidence of the presence of HSTS water than did the LL systems, most of the approaches were inconclusive by themselves. The best evidence of HSTS water, from the Cl/Br ratios, indicates that the water in 10 of the 11 curtain drains, at both HSTS types, was a mixture of dilute ground water and HSTS-derived water; the 11th drain also show some effects of the HSTS, although road salt-affected water may be present. Therefore, it appears that there is no difference between the ETA and LL systems with respect to the water quality in curtain drains.","language":"ENGLISH","doi":"10.3133/sir20065183","usgsCitation":"Dumouchelle, D.H., 2006, Assessment of the use of selected chemical and microbiological constituents as indicators of wastewater in curtain drains from home sewage-treatment systems in Medina County, Ohio: U.S. Geological Survey Scientific Investigations Report 2006-5183, iv, 20 p., https://doi.org/10.3133/sir20065183.","productDescription":"iv, 20 p.","numberOfPages":"24","costCenters":[{"id":513,"text":"Ohio Water Science Center","active":true,"usgs":true}],"links":[{"id":194814,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":8555,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2006/5183/","linkFileType":{"id":5,"text":"html"}}],"geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -82.01666666666667,41 ], [ -82.01666666666667,41.333333333333336 ], [ -81.13333333333334,41.333333333333336 ], [ -81.13333333333334,41 ], [ -82.01666666666667,41 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4abae4b07f02db671cac","contributors":{"authors":[{"text":"Dumouchelle, Denise H. ddumouch@usgs.gov","contributorId":1847,"corporation":false,"usgs":true,"family":"Dumouchelle","given":"Denise","email":"ddumouch@usgs.gov","middleInitial":"H.","affiliations":[{"id":513,"text":"Ohio Water Science Center","active":true,"usgs":true}],"preferred":true,"id":289124,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":79119,"text":"ofr20061059 - 2006 - Geologic interpretation and multibeam bathymetry of the sea floor in southeastern Long Island Sound","interactions":[],"lastModifiedDate":"2017-11-10T18:29:35","indexId":"ofr20061059","displayToPublicDate":"2006-09-08T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2006-1059","title":"Geologic interpretation and multibeam bathymetry of the sea floor in southeastern Long Island Sound","docAbstract":"Digital terrain models (DTMs) produced from multibeam echosounder (MBES) bathymetric data provide valuable base maps for marine geological interpretations (e.g. Todd and others, 1999; Mosher and Thomson, 2002; ten Brink and others, 2004; Poppe and others, 2006a,b). These maps help define the geological variability of the sea floor (one of the primary controls of benthic habitat diversity); improve our understanding of the processes that control the distribution and transport of bottom sediments, the distribution of benthic habitats and associated infaunal community structures; and provide a detailed framework for future research, monitoring, and management activities.\r\n\r\nThe bathymetric survey interpreted herein (National Oceanic and Atmospheric Administration (NOAA) survey H11255) covers roughly 95 km? of sea floor in southeastern Long Island Sound (fig. 1). This bathymetry has been examined in relation to seismic reflection data collected concurrently, as well as archived seismic profiles acquired as part of a long-standing geologic mapping partnership between the State of Connecticut and the U.S. Geological Survey (USGS). The objective of this work was to use these geophysical data sets to interpret geomorphological attributes of the sea floor in terms of the Quaternary geologic history and modern sedimentary processes within Long Island Sound. ","language":"ENGLISH","doi":"10.3133/ofr20061059","usgsCitation":"Poppe, L., Ackerman, S.D., Doran, E.F., Moser, M.S., Stewart, H.F., Forfinski, N.A., Gardner, U.L., and Keene, J., 2006, Geologic interpretation and multibeam bathymetry of the sea floor in southeastern Long Island Sound: U.S. Geological Survey Open-File Report 2006-1059, https://doi.org/10.3133/ofr20061059.","onlineOnly":"Y","additionalOnlineFiles":"Y","costCenters":[{"id":680,"text":"Woods Hole Science Center","active":false,"usgs":true}],"links":[{"id":194929,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":8560,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2006/1059/","linkFileType":{"id":5,"text":"html"}}],"geographicExtents":"{\"crs\": {\"type\": \"name\", \"properties\": {\"name\": \"urn:ogc:def:crs:OGC:1.3:CRS84\"}}, \"geometry\": {\"type\": \"Polygon\", \"coordinates\": [[[-72.74393444399993, 41.09364291900016], 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\"3091878\"}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b16e4b07f02db6a5340","contributors":{"authors":[{"text":"Poppe, Lawrence J. lpoppe@usgs.gov","contributorId":2149,"corporation":false,"usgs":true,"family":"Poppe","given":"Lawrence J.","email":"lpoppe@usgs.gov","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":289127,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ackerman, Seth D. 0000-0003-0945-2794 sackerman@usgs.gov","orcid":"https://orcid.org/0000-0003-0945-2794","contributorId":178676,"corporation":false,"usgs":true,"family":"Ackerman","given":"Seth","email":"sackerman@usgs.gov","middleInitial":"D.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":289129,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Doran, Elizabeth F.","contributorId":41539,"corporation":false,"usgs":true,"family":"Doran","given":"Elizabeth","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":289131,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Moser, Marc S.","contributorId":67180,"corporation":false,"usgs":true,"family":"Moser","given":"Marc","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":289133,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Stewart, Helen F.","contributorId":6960,"corporation":false,"usgs":true,"family":"Stewart","given":"Helen","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":289128,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Forfinski, Nicholas A.","contributorId":105816,"corporation":false,"usgs":true,"family":"Forfinski","given":"Nicholas","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":289134,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Gardner, Uther L.","contributorId":49886,"corporation":false,"usgs":true,"family":"Gardner","given":"Uther","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":289132,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Keene, Jennifer A.","contributorId":24456,"corporation":false,"usgs":true,"family":"Keene","given":"Jennifer A.","affiliations":[],"preferred":false,"id":289130,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}} ,{"id":79112,"text":"ofr20061256 - 2006 - Science for maintaining riverine ecosystems: Actions for the USGS identified in the workshop \"Analysis of Flow and Habitat for Aquatic Communities\"","interactions":[],"lastModifiedDate":"2020-03-21T11:58:25","indexId":"ofr20061256","displayToPublicDate":"2006-09-08T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2006-1256","displayTitle":"Science for Managing Riverine Ecosystems: Actions for the USGS Identified in the Workshop \"Analysis of Flow and Habitat for Instream Aquatic Communities\"","title":"Science for maintaining riverine ecosystems: Actions for the USGS identified in the workshop \"Analysis of Flow and Habitat for Aquatic Communities\"","docAbstract":"Federal and state agencies need improved scientific analysis to support riverine ecosystem management. The ability of the USGS to integrate geologic, hydrologic, chemical, geographic, and biological data into new tools and models provides unparalleled opportunities to translate the best riverine science into useful approaches and usable information to address issues faced by river managers. In addition to this capability to provide integrated science, the USGS has a long history of providing long-term and nationwide information about natural resources. The USGS is now in a position to advance its ability to provide the scientific support for the management of riverine ecosystems. To address this need, the USGS held a listening session in Fort Collins, Colorado in April 2006. Goals of the workshop were to: 1) learn about the key resource issues facing DOI, other Federal, and state resource management agencies; 2) discuss new approaches and information needs for addressing these issues; and 3) outline a strategy for the USGS role in supporting riverine ecosystem management. Workshop discussions focused on key components of a USGS strategy: Communications, Synthesis, and Research. The workshop identified 3 priority actions the USGS can initiate now to advance its capabilities to support integrated science for resource managers in partner government agencies and non-governmental organizations: 1) Synthesize the existing science of riverine ecosystem processes to produce broadly applicable conceptual models, 2) Enhance selected ongoing instream flow projects with complementary interdisciplinary studies, and 3) Design a long-term, watershed-scale research program that will substantively reinvent riverine ecosystem science. In addition, topical discussion groups on hydrology, geomorphology, aquatic habitat and populations, and socio-economic analysis and negotiation identified eleven important complementary actions required to advance the state of the science and to develop the tools for supporting decisions on riverine ecosystem management. These eleven actions lie within the continuum of Communications, Synthesis, and Research.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr20061256","usgsCitation":"Bencala, K.E., Hamilton, D.B., and Petersen, J.H., 2006, Science for maintaining riverine ecosystems: Actions for the USGS identified in the workshop \"Analysis of Flow and Habitat for Aquatic Communities\": U.S. Geological Survey Open-File Report 2006-1256, iii, 13 p., https://doi.org/10.3133/ofr20061256.","productDescription":"iii, 13 p.","numberOfPages":"16","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":191510,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":8549,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2006/1256/","linkFileType":{"id":5,"text":"html"}},{"id":320137,"rank":101,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2006/1256/pdf/OFR-2006-1256.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49ffe4b07f02db5f791f","contributors":{"authors":[{"text":"Bencala, Kenneth E. kbencala@usgs.gov","contributorId":1541,"corporation":false,"usgs":true,"family":"Bencala","given":"Kenneth","email":"kbencala@usgs.gov","middleInitial":"E.","affiliations":[],"preferred":true,"id":289116,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hamilton, David B. hamiltond@usgs.gov","contributorId":193,"corporation":false,"usgs":true,"family":"Hamilton","given":"David","email":"hamiltond@usgs.gov","middleInitial":"B.","affiliations":[],"preferred":true,"id":289115,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Petersen, James H. petersen@usgs.gov","contributorId":23231,"corporation":false,"usgs":true,"family":"Petersen","given":"James","email":"petersen@usgs.gov","middleInitial":"H.","affiliations":[],"preferred":false,"id":289117,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":79109,"text":"sir20065209 - 2006 - Water-quality conditions in Upper Klamath Lake, Oregon, 2002-04","interactions":[],"lastModifiedDate":"2012-03-08T17:16:18","indexId":"sir20065209","displayToPublicDate":"2006-09-05T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2006-5209","title":"Water-quality conditions in Upper Klamath Lake, Oregon, 2002-04","docAbstract":"Eleven (2002) to 14 (2003 and 2004) continuous water-quality monitors that measured pH, dissolved oxygen, temperature, and specific conductance, were placed in Upper Klamath Lake to support a telemetry tracking study of endangered adult shortnose and Lost River suckers. Samples for the analysis of chlorophyll a and nutrients were collected at a subset of the water-quality monitor sites in each year. The seasonal pattern in the occurrence of supersaturated dissolved oxygen concentrations and high pH associated with photosynthetic activity, as well as the undersaturated dissolved oxygen concentrations associated with oxygen demand through respiration and decay in excess of photosynthetic production, were well described by the dynamics of the massive blooms of Aphanizomenon flos aquae (AFA) that occur each year.\r\n\r\nData from the continuous monitors provided a means to quantify the occurrence, duration, and spatial extent of water-quality conditions potentially harmful to fish (dissolved- oxygen concentration less than 4 milligrams per liter, pH greater than 9.7, and temperature greater than 28 degrees Celsius) in the northern part of the lake, where the preferred adult sucker habitat is found. There were few observations of temperature greater than 28 degrees Celsius, suggesting that temperature is not a significant source of chronic stress to fish, although its role in the spread of disease is harder to define. Observations of pH greater than 9.7 were common during times when the AFA bloom was growing rapidly, so pH may be a source of chronic stress to fish. Dissolved oxygen concentrations less than 4 milligrams per liter were common in all 3 years at the deeper sites, in the lower part of the water column and for short periods during the day. Less common were instances of widespread low dissolved oxygen, throughout the water column and persisting through the entire day, but this was the character of a severe low dissolved oxygen event (LDOE) that culminated in the start of a fish die-off in 2003.\r\n\r\nDocumented evidence indicates that LDOEs played a role in three fish die-offs in the mid-1990s as well. In the historical context of 15 years of climate and water-quality data, 3 out of 4 of the recent fish die-off years, 1996, 1997, and 2003, were characterized by low winds and high temperatures in July or August coincident with the start of the die-off. High temperatures accelerate the oxygen demanding processes that lead to a LDOE. The role of low winds remains inconclusive, but it could include the development of stratification in the water column and/or the alteration of the wind-driven circulation pattern.\r\n\r\nAt a site centrally located in the study area, die-off years could be successfully identified in the historical data by screening for water characterized by exceptionally low chlorophyll a concentration, exceptionally low dissolved oxygen concentration throughout the water column (not just near the bottom), and exceptionally high ammonia concentration and water temperature, just prior to or coincident with the start of a fish die-off. These conditions indicate that a severe decline in the AFA bloom and conversion of most of the organic matter into inorganic form had taken place.","language":"ENGLISH","doi":"10.3133/sir20065209","usgsCitation":"Wood, T.M., Hoilman, G.R., and Lindenberg, M.K., 2006, Water-quality conditions in Upper Klamath Lake, Oregon, 2002-04: U.S. Geological Survey Scientific Investigations Report 2006-5209, vii, 52 p., https://doi.org/10.3133/sir20065209.","productDescription":"vii, 52 p.","numberOfPages":"59","temporalStart":"2002-01-01","temporalEnd":"2004-12-31","costCenters":[{"id":518,"text":"Oregon Water Science Center","active":true,"usgs":true}],"links":[{"id":191315,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":8545,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2006/5209/","linkFileType":{"id":5,"text":"html"}}],"geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -122,42.25 ], [ -122,42.5 ], [ -121.75,42.5 ], [ -121.75,42.25 ], [ -122,42.25 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49e3e4b07f02db5e5681","contributors":{"authors":[{"text":"Wood, Tamara M. 0000-0001-6057-8080 tmwood@usgs.gov","orcid":"https://orcid.org/0000-0001-6057-8080","contributorId":1164,"corporation":false,"usgs":true,"family":"Wood","given":"Tamara","email":"tmwood@usgs.gov","middleInitial":"M.","affiliations":[{"id":518,"text":"Oregon Water Science Center","active":true,"usgs":true}],"preferred":true,"id":289109,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hoilman, Gene R.","contributorId":78413,"corporation":false,"usgs":true,"family":"Hoilman","given":"Gene","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":289111,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lindenberg, Mary K.","contributorId":40290,"corporation":false,"usgs":true,"family":"Lindenberg","given":"Mary","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":289110,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":79107,"text":"ds200 - 2006 - Hydrologic and water-quality data, Honey Creek State Natural Area, Comal County, Texas, August 2001-September 2003","interactions":[],"lastModifiedDate":"2016-08-24T15:47:59","indexId":"ds200","displayToPublicDate":"2006-09-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":310,"text":"Data Series","code":"DS","onlineIssn":"2327-638X","printIssn":"2327-0271","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"200","title":"Hydrologic and water-quality data, Honey Creek State Natural Area, Comal County, Texas, August 2001-September 2003","docAbstract":"The U.S. Geological Survey collected rainfall, streamflow, evapotranspiration, and rainfall and stormflow water-quality data from seven sites in two adjacent watersheds in the Honey Creek State Natural Area, Comal County, Texas, during August 2001–September 2003, in cooperation with the U.S. Department of Agriculture, Natural Resources Conservation Service, and the San Antonio Water System. Data collected during this period represent baseline hydrologic and water-quality conditions before proposed removal of ashe juniper (Juniperus ashei) from one of the two watersheds. Juniper removal is intended as a best-management practice to increase water quantity (aquifer recharge and streamflow) and to protect water quality. Continuous (5-minute interval) rainfall data are collected at four sites; continuous (5-minute interval) streamflow data are collected at three sites. Fifteen-minute averages of meteorological and solar-energy-related data recorded at two sites are used to compute moving 30-minute evapotranspiration values on the basis of the energy-balance Bowen ratio method. Periodic rainfall water-quality data are collected at one site and stormflow water-quality data at three sites. Daily rainfall, streamflow, and evapotranspiration totals are presented in tables; detailed data are listed in an appendix. Results of analyses of the periodic rainfall and stormflow water-quality samples collected during runoff events are summarized in the appendix; not all data types were collected at all sites nor were all data types collected during the entire 26-month period.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ds200","collaboration":"Prepared in cooperation with the U.S. Department of Agriculture, Natural Resources Conservation Service, and the San Antonio Water System","usgsCitation":"Slattery, R.N., Furlow, A.L., and Ockerman, D.J., 2006, Hydrologic and water-quality data, Honey Creek State Natural Area, Comal County, Texas, August 2001-September 2003: U.S. Geological Survey Data Series 200, iii, 27 p., https://doi.org/10.3133/ds200.","productDescription":"iii, 27 p.","numberOfPages":"30","temporalStart":"2001-08-01","temporalEnd":"2003-09-30","costCenters":[{"id":583,"text":"Texas Water Science Center","active":true,"usgs":true}],"links":[{"id":8541,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/ds/2006/200/","linkFileType":{"id":5,"text":"html"}},{"id":8542,"rank":9999,"type":{"id":3,"text":"Appendix"},"url":"https://pubs.usgs.gov/ds/2006/200/ds200_cd.zip","size":"1.16 MB","linkFileType":{"id":6,"text":"zip"}},{"id":191079,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ds200.PNG"}],"country":"United States","state":"Texas","county":"Comal County","otherGeospatial":"Honey Creek State Natural Area","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -99,\n 30.5\n ],\n [\n -99,\n 29\n ],\n [\n -98,\n 29\n ],\n [\n -98,\n 30.5\n ],\n [\n -99,\n 30.5\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a29e4b07f02db61175f","contributors":{"authors":[{"text":"Slattery, Richard N. 0000-0002-9141-9776 rnslatte@usgs.gov","orcid":"https://orcid.org/0000-0002-9141-9776","contributorId":2471,"corporation":false,"usgs":true,"family":"Slattery","given":"Richard","email":"rnslatte@usgs.gov","middleInitial":"N.","affiliations":[{"id":48595,"text":"Oklahoma-Texas Water Science Center","active":true,"usgs":true}],"preferred":true,"id":289106,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Furlow, Allen L.","contributorId":99646,"corporation":false,"usgs":true,"family":"Furlow","given":"Allen","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":289107,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ockerman, Darwin J. 0000-0003-1958-1688 ockerman@usgs.gov","orcid":"https://orcid.org/0000-0003-1958-1688","contributorId":1579,"corporation":false,"usgs":true,"family":"Ockerman","given":"Darwin","email":"ockerman@usgs.gov","middleInitial":"J.","affiliations":[{"id":583,"text":"Texas Water Science Center","active":true,"usgs":true}],"preferred":true,"id":289105,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":79101,"text":"sir20065088 - 2006 - An update of hydrologic conditions and distribution of selected constituents in water, Snake River Plain aquifer, Idaho National Laboratory, Idaho, Emphasis 1999-2001","interactions":[],"lastModifiedDate":"2012-03-08T17:16:21","indexId":"sir20065088","displayToPublicDate":"2006-09-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2006-5088","title":"An update of hydrologic conditions and distribution of selected constituents in water, Snake River Plain aquifer, Idaho National Laboratory, Idaho, Emphasis 1999-2001","docAbstract":"Radiochemical and chemical wastewater discharged since 1952 to infiltration ponds, evaporation ponds, and disposal wells at the Idaho National Laboratory (INL) has affected water quality in the Snake River Plain aquifer underlying the INL. The U.S. Geological Survey (USGS), in cooperation with the U.S. Department of Energy, maintains ground-water monitoring networks at the INL to determine hydrologic trends, and to delineate the movement of radiochemical and chemical wastes in the aquifer. This report presents an analysis of water-level and water-quality data collected from wells in the USGS ground-water monitoring networks during 1999-2001.\r\n\r\nWater in the Snake River Plain aquifer moves principally through fractures and interflow zones in basalt, generally flows southwestward, and eventually discharges at springs along the Snake River. The aquifer is recharged principally from infiltration of irrigation water, infiltration of streamflow, ground-water inflow from adjoining mountain drainage basins, and infiltration of precipitation. Water levels in wells rose in the northern and west-central parts of the INL by 1 to 3 feet, and declined in the southwestern parts of the INL by up to 4 feet during 1999-2001.\r\n\r\nDetectable concentrations of radiochemical constituents in water samples from wells in the Snake River Plain aquifer at the INL generally decreased or remained constant during 1999-2001. Decreases in concentrations were attributed to decreased rates of radioactive-waste disposal, radioactive decay, changes in waste-disposal methods, and dilution from recharge. Tritium concentrations in water samples decreased as much as 8.3 picocuries per milliliter (pCi/mL) during 1999-2001, ranging from 0.43?0.14 to 13.6?0.6 pCi/mL in October 2001. Tritium concentrations in five wells near the Idaho Nuclear Technology and Engineering Center (INTEC) increased a few picocuries per milliliter from October 2000 to October 2001. Strontium-90 concentrations decreased or remained constant during 1999-2001, ranging from 2.1?0.6 to 42.4?1.4 pCi/L in October 2001. During 1999-2001, concentrations of cesium-137, plutonium-238, and plutonium-239, -240 (undivided) were less than the reporting level in water samples from all wells sampled at the INL. The concentration of americium-241 in one sample was 0.003?0.001 pCi/L, the reporting level for that constituent. Cobalt-60 was not detected in any samples collected during 1999-2001.\r\n\r\nChanges in detectable concentrations of nonradioactive chemical constituents in water from the Snake River Plain aquifer at the INL varied during 1999-2001. In October 2001, water from one well south of the Reactor Technology Complex (RTC) [known as the Test Reactor Area (TRA) until 2005] contained 139 micrograms per liter (?g/L) of chromium, a decrease from the concentration of 168 ?g/L detected in October 1998. Other water samples contained from less than 16.7 to 21.3 ?g/L of chromium. In October 2001, concentrations of sodium in water samples from most of the wells in the southern part of the INL were larger than the background concentration of 10 mg/L, but were similar to or slightly less than October 1998 concentrations. The largest sodium concentration was 75 milligrams per liter (mg/L) in water from well USGS 113.\r\n\r\nIn 2001, chloride concentrations in most water samples from the INTEC and the Central Facilities Area (CFA) exceeded ambient concentrations of 10 and 20 mg/L, respectively. Chloride concentrations in water from wells near the RTC were less than 20 mg/L. At the Radioactive Waste Management Complex (RWMC), chloride concentrations in water from wells USGS 88, 89, and 120 were 81, 40, and 23 mg/L, respectively. Concentrations of chloride in all other wells near the RWMC were less than 19 mg/L. During 2001, concentrations of sulfate in water from two wells near the RTC, two wells near the RWMC, and one well near the CFA exceeded 40 mg/L, the estimated background concentration of sulfate in the Snake River","language":"ENGLISH","doi":"10.3133/sir20065088","usgsCitation":"Davis, L.C., 2006, An update of hydrologic conditions and distribution of selected constituents in water, Snake River Plain aquifer, Idaho National Laboratory, Idaho, Emphasis 1999-2001: U.S. Geological Survey Scientific Investigations Report 2006-5088, viii, 48 p., https://doi.org/10.3133/sir20065088.","productDescription":"viii, 48 p.","numberOfPages":"56","costCenters":[{"id":343,"text":"Idaho Water Science Center","active":true,"usgs":true}],"links":[{"id":190733,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":8534,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2006/5088/","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b1ae4b07f02db6a84aa","contributors":{"authors":[{"text":"Davis, Linda C. lcdavis@usgs.gov","contributorId":2539,"corporation":false,"usgs":true,"family":"Davis","given":"Linda","email":"lcdavis@usgs.gov","middleInitial":"C.","affiliations":[{"id":343,"text":"Idaho Water Science Center","active":true,"usgs":true}],"preferred":true,"id":289090,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":79098,"text":"sir20065074 - 2006 - Methodology to evaluate the effect of sorption in the unsaturated zone on the storage of nitrate and other ions and their transport across the water table, southern New Jersey","interactions":[],"lastModifiedDate":"2020-01-26T16:30:39","indexId":"sir20065074","displayToPublicDate":"2006-09-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2006-5074","title":"Methodology to evaluate the effect of sorption in the unsaturated zone on the storage of nitrate and other ions and their transport across the water table, southern New Jersey","docAbstract":"A new field-based approach for determining sorption in the unsaturated zone and its effect on the storage of ions and their transport in recharge to ground water has been demonstrated for a small agricultural watershed in the Coastal Plain of southern New Jersey. Moisture-content and chemical-concentration data obtained from unsaturated-zone-core and shallow-ground-water samples were used to estimate the mass flux of chemical constituents across the water table, as well as sorption coefficients (Kd). The selectivity order of the Kd values for cations is consistent with the expected selectivity order: for example, Na+ > Mg++ > Ca++ for sands. Although calculated sorption coefficients, as expected, were greater for cations than for anions, sorption had a substantial effect on the transport of anions through the unsaturated zone; in particular, average Kd values for NO3- were 0.22 liters per milligram for sands and 0.62 liters per milligram for finer grained sediments. The unsaturated zone in the study area is a large reservoir for nitrogen. Models that do not account for sorption are likely to result in unrealistic predictions of contaminant transport rate and provide overly optimistic expectations for natural cleansing in this watershed and those in other similar hydrogeologic settings.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/sir20065074","usgsCitation":"Reilly, T.J., and Baehr, A.L., 2006, Methodology to evaluate the effect of sorption in the unsaturated zone on the storage of nitrate and other ions and their transport across the water table, southern New Jersey: U.S. Geological Survey Scientific Investigations Report 2006-5074, vi, 22 p., https://doi.org/10.3133/sir20065074.","productDescription":"vi, 22 p.","numberOfPages":"28","costCenters":[{"id":589,"text":"Toxic Substances Hydrology Program","active":true,"usgs":true}],"links":[{"id":8530,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2006/5074/","linkFileType":{"id":5,"text":"html"}},{"id":192387,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"country":"United States","state":"New Jersey","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -74.981689453125,\n 40.027614437486655\n ],\n [\n -75.322265625,\n 39.86758762451019\n ],\n [\n -75.5859375,\n 39.66491373749128\n ],\n [\n -75.552978515625,\n 39.46164364205549\n ],\n [\n -75.12451171875,\n 39.18117526158749\n ],\n [\n -74.915771484375,\n 39.172658670429946\n ],\n [\n -75.03662109375,\n 38.92522904714054\n ],\n [\n -74.90478515625,\n 38.89103282648846\n ],\n [\n -74.46533203125,\n 39.342794408952365\n ],\n [\n -74.091796875,\n 39.9434364619742\n ],\n [\n -74.981689453125,\n 40.027614437486655\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a51e4b07f02db62a017","contributors":{"authors":[{"text":"Reilly, Timothy J. 0000-0002-2939-3050 tjreilly@usgs.gov","orcid":"https://orcid.org/0000-0002-2939-3050","contributorId":1858,"corporation":false,"usgs":true,"family":"Reilly","given":"Timothy","email":"tjreilly@usgs.gov","middleInitial":"J.","affiliations":[{"id":34983,"text":"Contaminant Biology Program","active":true,"usgs":true},{"id":470,"text":"New Jersey Water Science Center","active":true,"usgs":true}],"preferred":true,"id":289080,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Baehr, Arthur L.","contributorId":104523,"corporation":false,"usgs":true,"family":"Baehr","given":"Arthur","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":289081,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":79106,"text":"ofr20061172 - 2006 - Potential tight gas resources in a frontier province - Jurassic through Tertiary strata beneath the Brooks Range foothills, Arctic Alaska","interactions":[],"lastModifiedDate":"2012-02-02T00:14:21","indexId":"ofr20061172","displayToPublicDate":"2006-09-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2006-1172","title":"Potential tight gas resources in a frontier province - Jurassic through Tertiary strata beneath the Brooks Range foothills, Arctic Alaska","docAbstract":"Beneath the foothills of the Brooks Range, rocks of the Lower Cretaceous-Tertiary Brookian and Jurassic-Lower Cretaceous Beaufortian megasequences have been deeply buried and exhumed, and now exhibit characteristics of 'tight gas sandstones'. The data recovered from drilling, well tests, and cores exhibit the potential for substantial gas reserves over a large area. These data include recovery of gas from drillstem tests, indications of overpressure from well tests and mud weights, low porosity and permeability in sandstones, and vitrinite reflectance values ranging from 1.0 to 2.0 percent throughout substantial depth intervals.","language":"ENGLISH","doi":"10.3133/ofr20061172","usgsCitation":"Nelson, P.H., Bird, K.J., Houseknecht, D.W., Potter, C.J., and Moore, T.E., 2006, Potential tight gas resources in a frontier province - Jurassic through Tertiary strata beneath the Brooks Range foothills, Arctic Alaska (Version 1.0): U.S. Geological Survey Open-File Report 2006-1172, Poster, 2 sheets, 102 x 38 in., https://doi.org/10.3133/ofr20061172.","productDescription":"Poster, 2 sheets, 102 x 38 in.","onlineOnly":"Y","costCenters":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":194898,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":8540,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2006/1172/","linkFileType":{"id":5,"text":"html"}}],"edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ad5e4b07f02db68349f","contributors":{"authors":[{"text":"Nelson, Philip H. pnelson@usgs.gov","contributorId":862,"corporation":false,"usgs":true,"family":"Nelson","given":"Philip","email":"pnelson@usgs.gov","middleInitial":"H.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":289101,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bird, Kenneth J. kbird@usgs.gov","contributorId":1015,"corporation":false,"usgs":true,"family":"Bird","given":"Kenneth","email":"kbird@usgs.gov","middleInitial":"J.","affiliations":[{"id":255,"text":"Energy Resources Program","active":true,"usgs":true}],"preferred":true,"id":289102,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Houseknecht, David W. 0000-0002-9633-6910 dhouse@usgs.gov","orcid":"https://orcid.org/0000-0002-9633-6910","contributorId":645,"corporation":false,"usgs":true,"family":"Houseknecht","given":"David","email":"dhouse@usgs.gov","middleInitial":"W.","affiliations":[{"id":241,"text":"Eastern Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":289100,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Potter, Christopher J. 0000-0002-2300-6670 cpotter@usgs.gov","orcid":"https://orcid.org/0000-0002-2300-6670","contributorId":1026,"corporation":false,"usgs":true,"family":"Potter","given":"Christopher","email":"cpotter@usgs.gov","middleInitial":"J.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":289103,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Moore, Thomas E. 0000-0002-0878-0457 tmoore@usgs.gov","orcid":"https://orcid.org/0000-0002-0878-0457","contributorId":1033,"corporation":false,"usgs":true,"family":"Moore","given":"Thomas","email":"tmoore@usgs.gov","middleInitial":"E.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":false,"id":289104,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70161549,"text":"70161549 - 2006 - Comment on \"Asymmetric coevolutionary networks facilitate biodiversity maintenance\"","interactions":[],"lastModifiedDate":"2016-01-05T13:04:15","indexId":"70161549","displayToPublicDate":"2006-09-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3338,"text":"Science","active":true,"publicationSubtype":{"id":10}},"title":"Comment on \"Asymmetric coevolutionary networks facilitate biodiversity maintenance\"","docAbstract":"Bascompte et al. (Reports, 21 April 2006, p. 431) used network asymmetries to explain mathematical conditions necessary for stability in historic models of mutualism. The Lotka-Volterra equations they used artificially created conditions in which some factor, such as asymmetric interaction strengths, is necessary for community coexistence. We show that a more realistic model incorporating nonlinear functional responses requires no such condition and is consistent with their data.
","language":"English","publisher":"AAAS","doi":"10.1126/science.1129547","usgsCitation":"Holland, J.N., Okuyama, T., and DeAngelis, D., 2006, Comment on \"Asymmetric coevolutionary networks facilitate biodiversity maintenance\": Science, v. 313, no. 5795, https://doi.org/10.1126/science.1129547.","productDescription":"1 p.","startPage":"1887","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":566,"text":"Southeast Ecological Science Center","active":true,"usgs":true}],"links":[{"id":313674,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"313","issue":"5795","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"568cf73ee4b0e7a44bc0f141","contributors":{"authors":[{"text":"Holland, J. Nathaniel","contributorId":49912,"corporation":false,"usgs":true,"family":"Holland","given":"J.","email":"","middleInitial":"Nathaniel","affiliations":[],"preferred":false,"id":586798,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Okuyama, Toshinori","contributorId":151776,"corporation":false,"usgs":false,"family":"Okuyama","given":"Toshinori","email":"","affiliations":[],"preferred":false,"id":586799,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"DeAngelis, Donald L. 0000-0002-1570-4057 don_deangelis@usgs.gov","orcid":"https://orcid.org/0000-0002-1570-4057","contributorId":147289,"corporation":false,"usgs":true,"family":"DeAngelis","given":"Donald L.","email":"don_deangelis@usgs.gov","affiliations":[{"id":566,"text":"Southeast Ecological Science Center","active":true,"usgs":true}],"preferred":false,"id":586800,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":79096,"text":"fs20063054 - 2006 - Interdisciplinary science in support of environmental health along the United States-Mexico border","interactions":[{"subject":{"id":70296,"text":"fs20043140 - 2004 - Internet Map Service for Environmental Health in the U.S.-Mexico Border Region","indexId":"fs20043140","publicationYear":"2004","noYear":false,"title":"Internet Map Service for Environmental Health in the U.S.-Mexico Border Region"},"predicate":"SUPERSEDED_BY","object":{"id":79096,"text":"fs20063054 - 2006 - Interdisciplinary science in support of environmental health along the United States-Mexico border","indexId":"fs20063054","publicationYear":"2006","noYear":false,"title":"Interdisciplinary science in support of environmental health along the United States-Mexico border"},"id":1}],"lastModifiedDate":"2016-08-11T16:41:56","indexId":"fs20063054","displayToPublicDate":"2006-09-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":313,"text":"Fact Sheet","code":"FS","onlineIssn":"2327-6932","printIssn":"2327-6916","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2006-3054","title":"Interdisciplinary science in support of environmental health along the United States-Mexico border","docAbstract":"The diverse, fragile ecosystems of the borderlands have been pushed beyond sustainable levels due to rapid population growth and land-use changes. Water shortages and pollution, poor air quality, increased soil salinities, residual pesticides and heavy metal contaminants are some of the many stressors that are degrading the quality of life in the borderlands. The relationship between human health and environmental quality challenges public officials, medical professionals, and resource managers on both sides of the border in their efforts to provide for and maintain healthy communities. To help understand the relationship between environmental and human health, the U.S. Geological Survey's (USGS) Border Environmental Health Initiative (BEHI) created an Internet Map Service (IMS) with binational georeferenced data. The goal is to have seamless integration of borderwide datasets at regional and local scales that can lend understanding of the linkages between the condition of the physical environment and public health issues.
","language":"English","publisher":"U.S Geological Survey","publisherLocation":"Reston, Virginia","doi":"10.3133/fs20063054","usgsCitation":"Papoulias, D., Parcher, J., Stefanov, J., and Page, R., 2006, Interdisciplinary science in support of environmental health along the United States-Mexico border (English Version 1.0, Supersedes FS 2004-3140): U.S. Geological Survey Fact Sheet 2006-3054, 2 p., https://doi.org/10.3133/fs20063054.","productDescription":"2 p.","numberOfPages":"2","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":583,"text":"Texas Water Science Center","active":true,"usgs":true}],"links":[{"id":124953,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/fs_2006_3054.jpg"},{"id":8528,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/fs/2006/3054/","linkFileType":{"id":5,"text":"html"}}],"edition":"English Version 1.0, Supersedes FS 2004-3140","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49dbe4b07f02db5e091c","contributors":{"authors":[{"text":"Papoulias, Diana","contributorId":22046,"corporation":false,"usgs":true,"family":"Papoulias","given":"Diana","email":"","affiliations":[],"preferred":false,"id":289073,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Parcher, Jean","contributorId":31841,"corporation":false,"usgs":true,"family":"Parcher","given":"Jean","affiliations":[],"preferred":false,"id":289074,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Stefanov, Jim","contributorId":15705,"corporation":false,"usgs":true,"family":"Stefanov","given":"Jim","email":"","affiliations":[],"preferred":false,"id":289072,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Page, Ric","contributorId":86861,"corporation":false,"usgs":true,"family":"Page","given":"Ric","email":"","affiliations":[],"preferred":false,"id":289075,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":79094,"text":"sir20065149 - 2006 - Distribution and abundance of fallow deer leks at Point Reyes National Seashore, California","interactions":[],"lastModifiedDate":"2012-02-10T00:11:35","indexId":"sir20065149","displayToPublicDate":"2006-09-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2006-5149","title":"Distribution and abundance of fallow deer leks at Point Reyes National Seashore, California","docAbstract":"Only two species of ungulates (hoofed mammals) are native to Marin County, tule elk (Cervis elaphus nannodes) and Columbian black-tailed deer (Odocoileus hemionus columbianus). In the 1940s, European fallow deer (Dama dama) obtained from the San Francisco Zoo were released at Point Reyes. When Point Reyes National Seashore was established in 1962, fallow deer were well established within the boundaries of the National Seashore. The fallow deer population was estimated to be 500 in 1973 (Wehausen, 1973) and that number increased to 860 by 2005 (National Park Service, unpubl. data).\r\nFallow deer have an unusual mating system. During the fall mating season (or rut), male fallow deer establish areas known as leks where they display to potential mates (Hirth, 1997). This behavior is unique among deer and elk, but it is similar to breeding systems used by grouse and a few other birds and mammals. Formation of leks in ungulates decreases the number of aggressive encounters in which dominant males are involved when the local male density becomes too high, because the spatial stability of territories in leks reduces the number of aggressive encounters between males (Hovi et al., 1996; Pelabon et al., 1999).\r\nA fallow deer lek is typically an area of about 100-150 m2 and typically includes two to five males. Using their hooves and antlers, each male clears away most or all of the vegetation and digs a rutting pit that he defends throughout the breeding season.","language":"ENGLISH","doi":"10.3133/sir20065149","usgsCitation":"Fellers, G.M., and Osbourn, M., 2006, Distribution and abundance of fallow deer leks at Point Reyes National Seashore, California: U.S. Geological Survey Scientific Investigations Report 2006-5149, iv, 19 p., https://doi.org/10.3133/sir20065149.","productDescription":"iv, 19 p.","numberOfPages":"23","onlineOnly":"Y","costCenters":[],"links":[{"id":8525,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2006/5149/","linkFileType":{"id":5,"text":"html"}},{"id":191604,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -123,38.333333333333336 ], [ -123,38.166666666666664 ], [ -122,38.166666666666664 ], [ -122,38.333333333333336 ], [ -123,38.333333333333336 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a81e4b07f02db64a099","contributors":{"authors":[{"text":"Fellers, Gary M. 0000-0003-4092-0285 gary_fellers@usgs.gov","orcid":"https://orcid.org/0000-0003-4092-0285","contributorId":3150,"corporation":false,"usgs":true,"family":"Fellers","given":"Gary","email":"gary_fellers@usgs.gov","middleInitial":"M.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":289068,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Osbourn, Michael","contributorId":24866,"corporation":false,"usgs":true,"family":"Osbourn","given":"Michael","email":"","affiliations":[],"preferred":false,"id":289069,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":79105,"text":"wdrCT051 - 2006 - Water resources data, Connecticut, water year 2005","interactions":[],"lastModifiedDate":"2012-03-08T17:16:24","indexId":"wdrCT051","displayToPublicDate":"2006-09-01T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":340,"text":"Water Data Report","code":"WDR","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"CT-05-1","title":"Water resources data, Connecticut, water year 2005","docAbstract":"This report includes records on both surface and ground water in the State. Specifically, it contains: (1) discharge records for 52 streamflow-gaging stations and for 38 partial-record streamflow stations and miscellaneous sites; (2) stage-only records for 4 tidal-gaging stations; (3) water-quality records for 17 streamflow-gaging stations, for 18 ungaged stream sites, and temperature at 1 reservoir site; and (4) water-level records for 73 observation wells. Additional water-quality data are published for 16 miscellaneous surface-water sites and for 19 miscellaneous ground-water sites, which were not part of the systematic data-collection program.","language":"ENGLISH","doi":"10.3133/wdrCT051","usgsCitation":"Morrison, J., Sargent, T., Martin, J., and Norris, J., 2006, Water resources data, Connecticut, water year 2005: U.S. Geological Survey Water Data Report CT-05-1, 380 p., https://doi.org/10.3133/wdrCT051.","productDescription":"380 p.","numberOfPages":"380","additionalOnlineFiles":"Y","temporalStart":"2004-10-01","temporalEnd":"2005-09-30","costCenters":[{"id":196,"text":"Connecticut Water Science Center","active":true,"usgs":true}],"links":[{"id":194375,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":8539,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/wdr/2005/wdr-ct-05-1/","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49b8e4b07f02db5ccda7","contributors":{"authors":[{"text":"Morrison, Jonathan 0000-0002-1756-4609 jmorriso@usgs.gov","orcid":"https://orcid.org/0000-0002-1756-4609","contributorId":2274,"corporation":false,"usgs":true,"family":"Morrison","given":"Jonathan","email":"jmorriso@usgs.gov","affiliations":[{"id":196,"text":"Connecticut Water Science Center","active":true,"usgs":true}],"preferred":true,"id":289096,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sargent, T.C.","contributorId":24428,"corporation":false,"usgs":true,"family":"Sargent","given":"T.C.","email":"","affiliations":[],"preferred":false,"id":289097,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Martin, J.W.","contributorId":71510,"corporation":false,"usgs":true,"family":"Martin","given":"J.W.","email":"","affiliations":[],"preferred":false,"id":289099,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Norris, J.R.","contributorId":67153,"corporation":false,"usgs":true,"family":"Norris","given":"J.R.","email":"","affiliations":[],"preferred":false,"id":289098,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":78920,"text":"ofr20061197 - 2006 - Gravity, magnetic, and physical property data in the Smoke Creek Desert area, northwest Nevada","interactions":[],"lastModifiedDate":"2012-02-10T00:11:41","indexId":"ofr20061197","displayToPublicDate":"2006-08-28T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2006-1197","title":"Gravity, magnetic, and physical property data in the Smoke Creek Desert area, northwest Nevada","docAbstract":"The Smoke Creek Desert, located approximately 100 km (60 mi) north of Reno near the California-Nevada border, is a large basin situated along the northernmost parts of the Walker Lane Belt (Stewart, 1988), a physiographic province defined by northwest-striking topographic features and strike-slip faulting. Because geologic framework studies play an important role in understanding the hydrology of the Smoke Creek Desert, a geologic and geophysical effort was begun to help determine basin geometry, infer structural features, and estimate depth to Pre-Cenozoic rocks, or basement.\r\n\r\nIn May and June of 2004, and June of 2005, the U.S. Geological Survey (USGS) collected 587 new gravity stations, more than 160 line-kilometers (100 line-miles) of truck-towed magnetometer data, and 111 rock property samples in the Smoke Creek Desert and vicinity in northwest Nevada, as part of an effort to characterize its hydrogeologic framework. In the Smoke Creek Desert area, gravity highs occur over rocks of the Skedaddle Mountains, Fox Range, Granite Range, and over portions of Tertiary volcanic rocks in the Buffalo Hills. These gravity highs likely reflect basement rocks, either exposed at the surface or buried at shallow depths. The southern Smoke Creek Desert corresponds to a 25-mGal isostatic gravity low, which corresponds with a basin depth of approximately 2 km.\r\n\r\nMagnetic highs are likely due to granitic, andesitic, and metavolcanic rocks, whereas magnetic lows are probably associated with less magnetic gneiss and metasedimentary rocks in the region. Three distinctive patterns of magnetic anomalies occur throughout the Smoke Creek Desert and Squaw Creek Valley, likely reflecting three different geological and structural settings.","language":"ENGLISH","doi":"10.3133/ofr20061197","usgsCitation":"Tilden, J.E., Ponce, D.A., Glen, J., Chuchel, B.A., Tushman, K., and Duvall, A., 2006, Gravity, magnetic, and physical property data in the Smoke Creek Desert area, northwest Nevada (Version 1.0): U.S. Geological Survey Open-File Report 2006-1197, ii, 33 p.; , https://doi.org/10.3133/ofr20061197.","productDescription":"ii, 33 p.; ","numberOfPages":"35","onlineOnly":"Y","additionalOnlineFiles":"Y","costCenters":[{"id":305,"text":"Geology Division","active":false,"usgs":true}],"links":[{"id":190518,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":8517,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2006/1197/","linkFileType":{"id":5,"text":"html"}},{"id":8518,"rank":9999,"type":{"id":23,"text":"Spatial Data"},"url":"https://pubs.usgs.gov/of/2006/1197/data/","linkFileType":{"id":5,"text":"html"}},{"id":8519,"rank":9999,"type":{"id":25,"text":"Version History"},"url":"https://pubs.usgs.gov/of/2006/1197/version_history.txt","linkFileType":{"id":2,"text":"txt"}}],"geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -120.11805555555554,40.13444444444444 ], [ -120.11805555555554,40.918055555555554 ], [ -119.25111111111111,40.918055555555554 ], [ -119.25111111111111,40.13444444444444 ], [ -120.11805555555554,40.13444444444444 ] ] ] } } ] }","edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4abae4b07f02db671fbe","contributors":{"authors":[{"text":"Tilden, Janet E. 0000-0002-4759-3814","orcid":"https://orcid.org/0000-0002-4759-3814","contributorId":20423,"corporation":false,"usgs":true,"family":"Tilden","given":"Janet","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":289008,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ponce, David A. 0000-0003-4785-7354 ponce@usgs.gov","orcid":"https://orcid.org/0000-0003-4785-7354","contributorId":1049,"corporation":false,"usgs":true,"family":"Ponce","given":"David","email":"ponce@usgs.gov","middleInitial":"A.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true},{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":289005,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Glen, Jonathan M. G.","contributorId":45756,"corporation":false,"usgs":true,"family":"Glen","given":"Jonathan M. G.","affiliations":[],"preferred":false,"id":289009,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Chuchel, Bruce A. chuchel@usgs.gov","contributorId":2415,"corporation":false,"usgs":true,"family":"Chuchel","given":"Bruce","email":"chuchel@usgs.gov","middleInitial":"A.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":289006,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Tushman, Kira","contributorId":70065,"corporation":false,"usgs":true,"family":"Tushman","given":"Kira","email":"","affiliations":[],"preferred":false,"id":289010,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Duvall, Alison","contributorId":7780,"corporation":false,"usgs":true,"family":"Duvall","given":"Alison","affiliations":[],"preferred":false,"id":289007,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":78888,"text":"ofr20061198 - 2006 - Applicability of terrestrial LIDAR scanning for scientific studies in Grand Canyon National Park, Arizona","interactions":[],"lastModifiedDate":"2014-10-09T15:45:51","indexId":"ofr20061198","displayToPublicDate":"2006-08-28T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2006-1198","title":"Applicability of terrestrial LIDAR scanning for scientific studies in Grand Canyon National Park, Arizona","docAbstract":"In November 2004, an experimental high flow release of water from Glen Canyon Dam into the Colorado River through Grand Canyon National Park in Arizona was conducted. The goal of the experiment was to evaluate the use of high flow events as a management tool for the preservation and restoration of natural resources in the Colorado River below Glen Canyon Dam. The U.S. Geological Survey (USGS), Grand Canyon Monitoring and Research Center (GCMRC) located in Flagstaff, Arizona performed oversight of all aspects of scientific data collection including suspended sediment transport studies, biological population variations, effects on archaeological resources, and morphological studies of river sand bars.
\nAs part of the experimental high flow studies, the USGS Coastal and Marine Geology (CMG) team was invited to participate to test the effectiveness of utilizing terrestrial LIDAR technology for gathering morphological data on sand bars, biological habitats, and archaeological sites. The CMG is equipped with a terrestrial LIDAR unit and has used the technique in a variety of terrains to gather high-resolution morphological data. A three-member team from CMG participated in the experiment, joining a GCMRC team on a river trip from November 18 to November 21, 2004.
\nThis report begins with a brief description of the LIDAR technique and then outlines the data collected, processing required, and results for three study areas located within the Grand Canyon. Specifically, studies were performed at the Mile 30 Sand Bar, at Vaseys Paradise (Mile 32), and at the Mile 66 Palisades Archaeological Site. Conclusions and recommendations for utilizing terrestrial LIDAR for future studies at each of these sites are also included.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20061198","usgsCitation":"Collins, B., and Kayen, R., 2006, Applicability of terrestrial LIDAR scanning for scientific studies in Grand Canyon National Park, Arizona (Version 1.0): U.S. Geological Survey Open-File Report 2006-1198, v, 27 p., https://doi.org/10.3133/ofr20061198.","productDescription":"v, 27 p.","numberOfPages":"32","costCenters":[{"id":322,"text":"Grand Canyon Monitoring and Research Center","active":false,"usgs":true}],"links":[{"id":192528,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr20061198.PNG"},{"id":8509,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2006/1198/","linkFileType":{"id":5,"text":"html"}},{"id":295194,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2006/1198/of2006-1198.pdf"}],"country":"United States","state":"Arizona","otherGeospatial":"Grand Canyon National Park","edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ac6e4b07f02db67abbc","contributors":{"authors":[{"text":"Collins, Brian D.","contributorId":71641,"corporation":false,"usgs":true,"family":"Collins","given":"Brian D.","affiliations":[],"preferred":false,"id":289000,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kayen, Robert","contributorId":12030,"corporation":false,"usgs":true,"family":"Kayen","given":"Robert","affiliations":[],"preferred":false,"id":288999,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":78918,"text":"ofr20061165 - 2006 - Preliminary surficial geologic map database of the Amboy 30 x 60 minute quadrangle, California","interactions":[],"lastModifiedDate":"2012-02-10T00:11:37","indexId":"ofr20061165","displayToPublicDate":"2006-08-28T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2006-1165","title":"Preliminary surficial geologic map database of the Amboy 30 x 60 minute quadrangle, California","docAbstract":"The surficial geologic map database of the Amboy 30x60 minute quadrangle presents characteristics of surficial materials for an area approximately 5,000 km2 in the eastern Mojave Desert of California. This map consists of new surficial mapping conducted between 2000 and 2005, as well as compilations of previous surficial mapping. Surficial geology units are mapped and described based on depositional process and age categories that reflect the mode of deposition, pedogenic effects occurring post-deposition, and, where appropriate, the lithologic nature of the material.\r\n\r\nThe physical properties recorded in the database focus on those that drive hydrologic, biologic, and physical processes such as particle size distribution (PSD) and bulk density. This version of the database is distributed with point data representing locations of samples for both laboratory determined physical properties and semi-quantitative field-based information. Future publications will include the field and laboratory data as well as maps of distributed physical properties across the landscape tied to physical process models where appropriate.\r\n\r\nThe database is distributed in three parts: documentation, spatial map-based data, and printable map graphics of the database. Documentation includes this file, which provides a discussion of the surficial geology and describes the format and content of the map data, a database 'readme' file, which describes the database contents, and FGDC metadata for the spatial map information. Spatial data are distributed as Arc/Info coverage in ESRI interchange (e00) format, or as tabular data in the form of DBF3-file (.DBF) file formats. Map graphics files are distributed as Postscript and Adobe Portable Document Format (PDF) files, and are appropriate for representing a view of the spatial database at the mapped scale. ","language":"ENGLISH","doi":"10.3133/ofr20061165","usgsCitation":"Bedford, D., Miller, D., and Phelps, G., 2006, Preliminary surficial geologic map database of the Amboy 30 x 60 minute quadrangle, California: U.S. Geological Survey Open-File Report 2006-1165, v, 28 p.; 1 map sheet, 60 x 29 in., https://doi.org/10.3133/ofr20061165.","productDescription":"v, 28 p.; 1 map sheet, 60 x 29 in.","numberOfPages":"33","additionalOnlineFiles":"Y","costCenters":[{"id":647,"text":"Western Earth Surface Processes","active":false,"usgs":true}],"links":[{"id":110669,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_77605.htm","linkFileType":{"id":5,"text":"html"},"description":"77605"},{"id":192876,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":8513,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2006/1165/","linkFileType":{"id":5,"text":"html"}},{"id":8515,"rank":9999,"type":{"id":20,"text":"Read Me"},"url":"https://pubs.usgs.gov/of/2006/1165/of06-1165_1a.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":8516,"rank":9999,"type":{"id":23,"text":"Spatial Data"},"url":"https://pubs.usgs.gov/of/2006/1165/of06-1165_3.zip"},{"id":8514,"rank":9999,"type":{"id":16,"text":"Metadata"},"url":"https://pubs.usgs.gov/of/2006/1165/of06-1165_1d.html","linkFileType":{"id":5,"text":"html"}}],"scale":"100000","projection":"UTM Zone 11 NAD 27","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -116,34.5 ], [ -116,35 ], [ -115,35 ], [ -115,34.5 ], [ -116,34.5 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aabe4b07f02db669aa7","contributors":{"authors":[{"text":"Bedford, David R.","contributorId":26352,"corporation":false,"usgs":true,"family":"Bedford","given":"David R.","affiliations":[],"preferred":false,"id":289004,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Miller, David M. 0000-0003-3711-0441 dmiller@usgs.gov","orcid":"https://orcid.org/0000-0003-3711-0441","contributorId":1707,"corporation":false,"usgs":true,"family":"Miller","given":"David M.","email":"dmiller@usgs.gov","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":false,"id":289002,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Phelps, Geoffrey A.","contributorId":17262,"corporation":false,"usgs":true,"family":"Phelps","given":"Geoffrey A.","affiliations":[],"preferred":false,"id":289003,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":78581,"text":"sir20065142 - 2006 - Occurrence, distribution, loads, and yields of selected pesticides in the Little River basin, Kentucky, 2003-04","interactions":[],"lastModifiedDate":"2012-03-08T17:16:24","indexId":"sir20065142","displayToPublicDate":"2006-08-24T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2006-5142","title":"Occurrence, distribution, loads, and yields of selected pesticides in the Little River basin, Kentucky, 2003-04","docAbstract":"Water resources in the Little River Basin are potentially vulnerable to applications of pesticides associated with both agricultural and nonagricultural activities, because much of the basin is characterized by karst topography. Concerns about water quality resulting from pesticide use in karst areas and lack of data on concentrations of pesticides in surface water led to further investigation of water quality in the Little River Basin, which includes about 600 square miles in Christian and Trigg Counties and a portion of Caldwell County in western Kentucky. Water samples were collected in streams in the Little River Basin, Kentucky during 2003-04 as part of a study conducted in cooperation with the Kentucky Department of Agriculture. The objectives of the study were to assess the occurrence and distribution of pesticides, to evaluate the spatial and seasonal variability of pesticides, and to evaluate loads and yields of selected pesticides in the basin. A total of 91 water samples was collected at 4 fixed-network sites from March through November 2003 and from February through November 2004. An additional 20 samples were collected at 5 synoptic-network sites within the same period.\r\n\r\nTwenty-four pesticides were detected of the 127 pesticides analyzed in the stream samples. Of the 24 detected pesticides, 15 were herbicides, 7 were insecticides, and 2 were fungicides. The most commonly detected pesticides-atrazine, simazine, metolachlor, and acetochlor-were those most heavily used on crops during the study. Atrazine and simazine were detected in 100 percent of all surface-water samples, and metolachlor and acetochlor were detected in more than 45 percent. The pesticide degradate, deethylatrazine, was detected in 100 percent of the samples. Only one nonagricultural herbicide, prometon, was detected in more than 50 percent of the samples. Diazinon, the most commonly detected insecticide, was found in 25 percent of all samples and was found at all sites except Casey Creek. Metalaxyl was the most commonly detected fungicide (14 percent); most detections were in samples from the Sinking Fork subbasin.\r\n\r\nConcentrations of herbicides were highest following application in the spring (March-May). In contrast, insecticides typically were present during the summer (June-August). The most commonly detected pesticides in the Little River Basin were found at low concentrations in streams year-round. Atrazine and simazine (row-crop herbicides) had the highest measured concentrations (22 and 6.1 micrograms per liter (?g/L), respectively) and were the most heavily applied herbicides in the basin. Metolachlor also was heavily applied in the basin, but measured concentrations did not exceed 0.32 ?g/L. The insecticide, Malathion, was only detected in 4 percent of the samples, although it was heavily applied in the basin during 2003-04. Most detections of pesticides were at low concentrations in relation to drinking-water standards and guidelines established for the protection of aquatic life. Only two pesticide compounds--atrazine and simazine--exceeded the U.S. Environmental Protection Agency (USEPA) standards for drinking water. Atrazine exceeded the USEPA's maximum contaminant level (MCL) 19 times in 111 detections; simazine exceeded the established MCL 2 times in 111 detections. These exceedences occurred in the spring. Concentrations of atrazine also exceeded the established aquatic-life criterion (1.8 ?g/L) in 32 samples collected from all sites.\r\n\r\nConcentrations of deethylatrazine, an herbicide-transformation compound, tended to follow the same monthly concentration pattern as its parent compound (atrazine), but concentrations of deethylatrazine were lower than those of atrazine. Atrazine may have been present in the soil much longer at these sites, which might have allowed microbial populations to transform atrazine into deethylatrazine.\r\n\r\nA statistical comparison of concentrations of selected pesticides among four fixed-network sites ","language":"ENGLISH","doi":"10.3133/sir20065142","usgsCitation":"Crain, A.S., 2006, Occurrence, distribution, loads, and yields of selected pesticides in the Little River basin, Kentucky, 2003-04: U.S. Geological Survey Scientific Investigations Report 2006-5142, vi, 25 p., https://doi.org/10.3133/sir20065142.","productDescription":"vi, 25 p.","numberOfPages":"31","temporalStart":"2003-01-01","temporalEnd":"2004-12-31","costCenters":[{"id":354,"text":"Kentucky Water Science Center","active":true,"usgs":true}],"links":[{"id":195751,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":8499,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2006/5142/","linkFileType":{"id":5,"text":"html"}}],"geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -88,36.7 ], [ -88,37 ], [ -87.33333333333333,37 ], [ -87.33333333333333,36.7 ], [ -88,36.7 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4af4e4b07f02db69209c","contributors":{"authors":[{"text":"Crain, Angela S. 0000-0003-0969-6238 ascrain@usgs.gov","orcid":"https://orcid.org/0000-0003-0969-6238","contributorId":3090,"corporation":false,"usgs":true,"family":"Crain","given":"Angela","email":"ascrain@usgs.gov","middleInitial":"S.","affiliations":[{"id":354,"text":"Kentucky Water Science Center","active":true,"usgs":true},{"id":27231,"text":"Indiana-Kentucky Water Science Center","active":true,"usgs":true}],"preferred":true,"id":288964,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":78578,"text":"sir20065159 - 2006 - Monitoring and modeling to predict Escherichia coli at Presque Isle Beach 2, City of Erie, Erie County, Pennsylvania","interactions":[],"lastModifiedDate":"2017-06-06T14:06:27","indexId":"sir20065159","displayToPublicDate":"2006-08-22T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2006-5159","title":"Monitoring and modeling to predict Escherichia coli at Presque Isle Beach 2, City of Erie, Erie County, Pennsylvania","docAbstract":"The Lake Erie shoreline in Pennsylvania spans nearly 40 miles and is a valuable recreational resource for Erie County. Nearly 7 miles of the Lake Erie shoreline lies within Presque Isle State Park in Erie, Pa. Concentrations of Escherichia coli (E. coli) bacteria at permitted Presque Isle beaches occasionally exceed the single-sample bathing-water standard, resulting in unsafe swimming conditions and closure of the beaches.\r\n\r\nE. coli concentrations and other water-quality and environmental data collected at Presque Isle Beach 2 during the 2004 and 2005 recreational seasons were used to develop models using tobit regression analyses to predict E. coli concentrations. All variables statistically related to E. coli concentrations were included in the initial regression analyses, and after several iterations, only those explanatory variables that made the models significantly better at predicting E. coli concentrations were included in the final models. Regression models were developed using data from 2004, 2005, and the combined 2-year dataset. Variables in the 2004 model and the combined 2004-2005 model were log10 turbidity, rain weight, wave height (calculated), and wind direction. Variables in the 2005 model were log10 turbidity and wind direction. Explanatory variables not included in the final models were water temperature, streamflow, wind speed, and current speed; model results indicated these variables did not meet significance criteria at the 95-percent confidence level (probabilities were greater than 0.05). The predicted E. coli concentrations produced by the models were used to develop probabilities that concentrations would exceed the single-sample bathing-water standard for E. coli of 235 colonies per 100 milliliters. Analysis of the exceedence probabilities helped determine a threshold probability for each model, chosen such that the correct number of exceedences and nonexceedences was maximized and the number of false positives and false negatives was minimized. Future samples with computed exceedence probabilities higher than the selected threshold probability, as determined by the model, will likely exceed the E. coli standard and a beach advisory or closing may need to be issued; computed exceedence probabilities lower than the threshold probability will likely indicate the standard will not be exceeded. Additional data collected each year can be used to test and possibly improve the model. This study will aid beach managers in more rapidly determining when waters are not safe for recreational use and, subsequently, when to issue beach advisories or closings.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, Virginia","doi":"10.3133/sir20065159","usgsCitation":"Zimmerman, T.M., 2006, Monitoring and modeling to predict Escherichia coli at Presque Isle Beach 2, City of Erie, Erie County, Pennsylvania: U.S. Geological Survey Scientific Investigations Report 2006-5159, iv, 15 p., https://doi.org/10.3133/sir20065159.","productDescription":"iv, 15 p.","numberOfPages":"19","costCenters":[{"id":532,"text":"Pennsylvania Water Science Center","active":true,"usgs":true}],"links":[{"id":190977,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":8492,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2006/5159/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Pennsylvania","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -80.83333333333333,42 ], [ -80.83333333333333,42.833333333333336 ], [ -80,42.833333333333336 ], [ -80,42 ], [ -80.83333333333333,42 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4ae4b07f02db624c17","contributors":{"authors":[{"text":"Zimmerman, Tammy M. 0000-0003-0842-6981 tmzimmer@usgs.gov","orcid":"https://orcid.org/0000-0003-0842-6981","contributorId":2359,"corporation":false,"usgs":true,"family":"Zimmerman","given":"Tammy","email":"tmzimmer@usgs.gov","middleInitial":"M.","affiliations":[{"id":532,"text":"Pennsylvania Water Science Center","active":true,"usgs":true}],"preferred":false,"id":288958,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":78580,"text":"ds199 - 2006 - Digital geologic map and GIS database of Venezuela","interactions":[],"lastModifiedDate":"2012-02-02T00:14:14","indexId":"ds199","displayToPublicDate":"2006-08-22T00:00:00","publicationYear":"2006","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":310,"text":"Data Series","code":"DS","onlineIssn":"2327-638X","printIssn":"2327-0271","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"199","title":"Digital geologic map and GIS database of Venezuela","docAbstract":"The digital geologic map and GIS database of Venezuela captures GIS compatible geologic and hydrologic data from the 'Geologic Shaded Relief Map of Venezuela,' which was released online as U.S. Geological Survey Open-File Report 2005-1038. Digital datasets and corresponding metadata files are stored in ESRI geodatabase format; accessible via ArcGIS 9.X. Feature classes in the geodatabase include geologic unit polygons, open water polygons, coincident geologic unit linework (contacts, faults, etc.) and non-coincident geologic unit linework (folds, drainage networks, etc.). Geologic unit polygon data were attributed for age, name, and lithologic type following the Lexico Estratigrafico de Venezuela. All digital datasets were captured from source data at 1:750,000. 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